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                        html常用标签
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                        媒体标签
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                        css引入方式
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                        css选择符与选择器
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                        css字体样式
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                        图片的调整
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                        伪类选择
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                        盒子模型
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                        浮动
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                        定位
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                        阴影
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                        图片溢出处理
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                        动画
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                        动画插件与浏览器内核
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                        旋转菜单
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                        移动端
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                        rem布局
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                        权重问题
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                        移动端导航问题
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                        flex布局
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                            <b>2.18.</b>
                        
                        fullpage
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                            <b>2.19.</b>
                        
                        bootstrap
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                            <b>2.20.</b>
                        
                        媒体查询
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                            <b>3.</b>
                        
                        JavaScript的介绍
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                            <b>3.1.</b>
                        
                        JavaScript数据类型
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                            <b>3.2.</b>
                        
                        数据类型的转换
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                            <b>3.3.</b>
                        
                        运算符
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                            <b>3.4.</b>
                        
                        比较运算符
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                            <b>3.5.</b>
                        
                        赋值运算符
                    </a>
            
            
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                            <b>3.6.</b>
                        
                        逻辑操作符
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                            <b>3.7.</b>
                        
                        条件语句
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        <li class="chapter " data-level="3.8" data-path="md/js/条件运算符.html">
            
                
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                            <b>3.8.</b>
                        
                        条件运算符
                    </a>
            
            
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        <li class="chapter " data-level="3.9" data-path="md/js/位运算符.html">
            
                
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                            <b>3.9.</b>
                        
                        位运算符
                    </a>
            
            
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                            <b>3.10.</b>
                        
                        循环语句
                    </a>
            
            
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        <li class="chapter " data-level="3.11" data-path="md/js/for循环.html">
            
                
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                            <b>3.11.</b>
                        
                        for循环
                    </a>
            
            
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                            <b>3.12.</b>
                        
                        ES6
                    </a>
            
            
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        <li class="chapter " data-level="3.13" data-path="md/js/es6安装.html">
            
                
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                            <b>3.13.</b>
                        
                        ES6安装
                    </a>
            
            
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                            <b>3.14.</b>
                        
                        内置对象
                    </a>
            
            
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        <li class="chapter " data-level="3.15" data-path="md/js/Array对象.html">
            
                
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                            <b>3.15.</b>
                        
                        Array对象
                    </a>
            
            
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        <li class="chapter " data-level="3.16" data-path="md/js/Date对象.html">
            
                
                    <a href="../../md/js/Date对象.html">
                
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                            <b>3.16.</b>
                        
                        Date对象
                    </a>
            
            
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        <li class="chapter " data-level="3.17" data-path="md/js/布尔值对象.html">
            
                
                    <a href="../../md/js/布尔值对象.html">
                
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                            <b>3.17.</b>
                        
                        布尔值对象
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.18" data-path="md/js/数学对象.html">
            
                
                    <a href="../../md/js/数学对象.html">
                
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                            <b>3.18.</b>
                        
                        数学对象
                    </a>
            
            
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        <li class="chapter " data-level="3.19" data-path="md/js/对象的创建.html">
            
                
                    <a href="../../md/js/对象的创建.html">
                
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                            <b>3.19.</b>
                        
                        对象的创建
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.20" data-path="md/js/BOM.html">
            
                
                    <a href="../../md/js/BOM.html">
                
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                            <b>3.20.</b>
                        
                        BOM
                    </a>
            
            
        </li>
    
        <li class="chapter active" data-level="3.21" data-path="md/js/DOM关于元素的获取.html">
            
                
                    <a href="../../md/js/DOM关于元素的获取.html">
                
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                            <b>3.21.</b>
                        
                        DOM关于元素的获取
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.22" data-path="md/js/DOM元素对象.html">
            
                
                    <a href="../../md/js/DOM元素对象.html">
                
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                            <b>3.22.</b>
                        
                        DOM元素对象
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.23" data-path="md/js/DOM事件练习.html">
            
                
                    <a href="../../md/js/DOM事件练习.html">
                
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                            <b>3.23.</b>
                        
                        DOM事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.24" data-path="md/js/DOM鼠标事件.html">
            
                
                    <a href="../../md/js/DOM鼠标事件.html">
                
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                            <b>3.24.</b>
                        
                        DOM鼠标事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.25" data-path="md/js/事件代理.html">
            
                
                    <a href="../../md/js/事件代理.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.25.</b>
                        
                        事件代理
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.26" data-path="md/js/移动端事件.html">
            
                
                    <a href="../../md/js/移动端事件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.26.</b>
                        
                        移动端事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.27" data-path="md/js/无缝轮播图.html">
            
                
                    <a href="../../md/js/无缝轮播图.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.27.</b>
                        
                        无缝轮播图
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.28" data-path="md/js/鼠标事件练习.html">
            
                
                    <a href="../../md/js/鼠标事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.28.</b>
                        
                        鼠标事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.29" data-path="md/js/ajax.html">
            
                
                    <a href="../../md/js/ajax.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.29.</b>
                        
                        ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.30" data-path="md/js/封装ajax.html">
            
                
                    <a href="../../md/js/封装ajax.html">
                
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                            <b>3.30.</b>
                        
                        封装ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.31" data-path="md/js/高德地图的使用.html">
            
                
                    <a href="../../md/js/高德地图的使用.html">
                
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                            <b>3.31.</b>
                        
                        高德地图的使用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="3.32" data-path="md/js/预加载插件使用.html">
            
                
                    <a href="../../md/js/预加载插件使用.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>3.32.</b>
                        
                        预加载插件使用
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="4" data-path="md/jQuery/JQ变量的声明.html">
            
                
                    <a href="../../md/jQuery/JQ变量的声明.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.</b>
                        
                        JQ变量的声明
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="4.1" data-path="md/jQuery/选择器和效果.html">
            
                
                    <a href="../../md/jQuery/选择器和效果.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.1.</b>
                        
                        选择器和效果
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.2" data-path="md/jQuery/属性.html">
            
                
                    <a href="../../md/jQuery/属性.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.2.</b>
                        
                        属性
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.3" data-path="md/jQuery/尺寸.html">
            
                
                    <a href="../../md/jQuery/尺寸.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.3.</b>
                        
                        尺寸
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.4" data-path="md/jQuery/遍历.html">
            
                
                    <a href="../../md/jQuery/遍历.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.4.</b>
                        
                        遍历
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.5" data-path="md/jQuery/正则表达式.html">
            
                
                    <a href="../../md/jQuery/正则表达式.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.5.</b>
                        
                        正则表达式
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.6" data-path="md/jQuery/jQuery事件练习.html">
            
                
                    <a href="../../md/jQuery/jQuery事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.6.</b>
                        
                        jQuery事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.7" data-path="md/jQuery/操作.html">
            
                
                    <a href="../../md/jQuery/操作.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.7.</b>
                        
                        操作
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.8" data-path="md/jQuery/事件.html">
            
                
                    <a href="../../md/jQuery/事件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.8.</b>
                        
                        事件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.9" data-path="md/jQuery/ajax.html">
            
                
                    <a href="../../md/jQuery/ajax.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.9.</b>
                        
                        ajax
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.10" data-path="md/jQuery/三级联动.html">
            
                
                    <a href="../../md/jQuery/三级联动.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.10.</b>
                        
                        三级联动
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.11" data-path="md/jQuery/滚动监听导航效果.html">
            
                
                    <a href="../../md/jQuery/滚动监听导航效果.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.11.</b>
                        
                        滚动监听导航效果
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="4.12" data-path="md/jQuery/悬停导航.html">
            
                
                    <a href="../../md/jQuery/悬停导航.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>4.12.</b>
                        
                        悬停导航
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="5" data-path="md/Vue/修饰符与条件渲染.html">
            
                
                    <a href="../../md/Vue/修饰符与条件渲染.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.</b>
                        
                        Vue修饰符与条件渲染
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="5.1" data-path="md/Vue/绑定class和style.html">
            
                
                    <a href="../../md/Vue/绑定class和style.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.1.</b>
                        
                        绑定class和style
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.2" data-path="md/Vue/排序.html">
            
                
                    <a href="../../md/Vue/排序.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.2.</b>
                        
                        排序
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.3" data-path="md/Vue/表单输入绑定.html">
            
                
                    <a href="../../md/Vue/表单输入绑定.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.3.</b>
                        
                        表单输入绑定
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.4" data-path="md/Vue/生命周期.html">
            
                
                    <a href="../../md/Vue/生命周期.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.4.</b>
                        
                        生命周期
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.5" data-path="md/Vue/自定义指令.html">
            
                
                    <a href="../../md/Vue/自定义指令.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.5.</b>
                        
                        自定义指令
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.6" data-path="md/Vue/组件.html">
            
                
                    <a href="../../md/Vue/组件.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.6.</b>
                        
                        组件
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.7" data-path="md/Vue/Vue事件练习.html">
            
                
                    <a href="../../md/Vue/Vue事件练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.7.</b>
                        
                        Vue事件练习
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.8" data-path="md/Vue/动态模板.html">
            
                
                    <a href="../../md/Vue/动态模板.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.8.</b>
                        
                        动态模板
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.9" data-path="md/Vue/插槽的使用.html">
            
                
                    <a href="../../md/Vue/插槽的使用.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.9.</b>
                        
                        插槽的使用
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.10" data-path="md/Vue/router.html">
            
                
                    <a href="../../md/Vue/router.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.10.</b>
                        
                        router
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.11" data-path="md/Vue/ajax与框架搭建.html">
            
                
                    <a href="../../md/Vue/ajax与框架搭建.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.11.</b>
                        
                        ajax与框架搭建
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.12" data-path="md/Vue/store.html">
            
                
                    <a href="../../md/Vue/store.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.12.</b>
                        
                        store
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="5.13" data-path="md/Vue/ref获取元素.html">
            
                
                    <a href="../../md/Vue/ref获取元素.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>5.13.</b>
                        
                        ref获取元素
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="6" data-path="md/wx/小程序.html">
            
                
                    <a href="../../md/wx/小程序.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.</b>
                        
                        小程序
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="6.1" data-path="md/wx/封装外部ajax路径.html">
            
                
                    <a href="../../md/wx/封装外部ajax路径.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.1.</b>
                        
                        封装外部ajax路径
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="6.2" data-path="md/wx/练习.html">
            
                
                    <a href="../../md/wx/练习.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>6.2.</b>
                        
                        练习
                    </a>
            
            
        </li>
    

            </ul>
            
        </li>
    
        <li class="chapter " data-level="7" data-path="md/Egret/canvas.html">
            
                
                    <a href="../../md/Egret/canvas.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.</b>
                        
                        canvas
                    </a>
            
            
            <ul class="articles">
                
    
        <li class="chapter " data-level="7.1" data-path="md/Egret/async.html">
            
                
                    <a href="../../md/Egret/async.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.1.</b>
                        
                        async
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.2" data-path="md/Egret/显示对象与容器.html">
            
                
                    <a href="../../md/Egret/显示对象与容器.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.2.</b>
                        
                        显示对象与容器
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.3" data-path="md/Egret/01.基础.html">
            
                
                    <a href="../../md/Egret/01.基础.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.3.</b>
                        
                        01.基础
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.4" data-path="md/Egret/02.对象池.html">
            
                
                    <a href="../../md/Egret/02.对象池.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.4.</b>
                        
                        02.对象池
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.5" data-path="md/Egret/03.typeScript.html">
            
                
                    <a href="../../md/Egret/03.typeScript.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.5.</b>
                        
                        03.typeScript
                    </a>
            
            
        </li>
    
        <li class="chapter " data-level="7.6" data-path="md/Egret/04.场景管理类.html">
            
                
                    <a href="../../md/Egret/04.场景管理类.html">
                
                        <i class="fa fa-check"></i>
                        
                            <b>7.6.</b>
                        
                        04.场景管理类
                    </a>
            
            
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            </ul>
            
        </li>
    
        <li class="chapter " data-level="8" data-path="gitbook的安装.html">
            
                
                    <a href="../../gitbook的安装.html">
                
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                            <b>8.</b>
                        
                        gitbook的安装
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                        <h1 id="domdocument-object-model&#x6587;&#x6863;&#x5BF9;&#x8C61;&#x6A21;&#x578B;">DOM(document object model),&#x6587;&#x6863;&#x5BF9;&#x8C61;&#x6A21;&#x578B;</h1>
<p>DOM&#x628A;html&#x6587;&#x6863;&#x5206;&#x4E3A;&#x4E00;&#x4E2A;&#x4E2A;&#x8282;&#x70B9;</p>
<p>1&#x3001;&#x5143;&#x7D20;&#xFF0C;&#x53EB;&#x505A;&#x5143;&#x7D20;&#x8282;&#x70B9;</p>
<p>2&#x3001;&#x5C5E;&#x6027;&#xFF0C;&#x53EB;&#x505A;&#x5C5E;&#x6027;&#x8282;&#x70B9;</p>
<p>3&#x3001;&#x6587;&#x672C;&#xFF0C;&#x53EB;&#x505A;&#x6587;&#x672C;&#x8282;&#x70B9;</p>
<p>4&#x3001;&#x6CE8;&#x91CA;&#xFF0C;&#x53EB;&#x505A;&#x6CE8;&#x91CA;&#x8282;&#x70B9;</p>
<p> &#x4E00;&#x3001;document&#x5BF9;&#x8C61;</p>
<p>&#x5F53;html&#x6587;&#x6863;&#x8F7D;&#x5165;&#x6D4F;&#x89C8;&#x5668;&#x7684;&#x65F6;&#x5019;&#xFF0C;&#x4F1A;&#x628A;html&#x6587;&#x6863;&#x81EA;&#x52A8;&#x6DFB;&#x52A0;&#x5230;document&#x5BF9;&#x8C61;&#x4E0B;&#x3002;</p>
<p> &#x65B9;&#x6CD5;&#x548C;&#x5C5E;&#x6027;</p>
<pre><code>//&#x8F93;&#x51FA;&#x5185;&#x5BB9;&#x5230;html&#x6587;&#x6863;&#x4E2D;
document.write(&quot;1233&quot;);
//writeln&#x4E4B;&#x95F4;&#x6709;&#x7A7A;&#x683C;&#xFF0C;writeln&#x540E;&#x9762;&#x4F1A;&#x6DFB;&#x52A0;&#x4E00;&#x4E2A;&#x6362;&#x884C;&#x7B26;
document.writeln(&quot;3556&quot;);
document.writeln(&quot;3556&quot;);
</code></pre><pre><code>&lt;div class=&quot;test&quot;&gt;&#x6211;&#x662F;div1&lt;/div&gt;
&lt;div class=&quot;test&quot; id=&quot;two&quot;&gt;&#x6211;&#x662F;div2&lt;/div&gt;
&lt;div class=&quot;test1&quot; name=&quot;div3&quot;&gt;&#x6211;&#x662F;div3&lt;/div&gt;
</code></pre><h1 id="1&#x3001;documentqueryselectorn">1&#x3001;document.querySelector(n);</h1>
<p>n:&#x4EE3;&#x8868;css&#x7684;&#x9009;&#x62E9;&#x5668;</p>
<p> &#x7528;&#x6765;&#x83B7;&#x53D6;&#x5230;&#x5177;&#x6709;&#x8BE5;&#x9009;&#x62E9;&#x5668;&#x7684;&#x7B2C;&#x4E00;&#x5143;&#x7D20;</p>
<p>&#x5982;&#x679C;&#x9009;&#x62E9;&#x6709;&#x591A;&#x4E2A;&#x540C;&#x6837;&#x9009;&#x62E9;&#x5668;&#x7684;&#x5143;&#x7D20;&#x65F6;&#xFF0C;&#x53EA;&#x80FD;&#x83B7;&#x53D6;&#x5230;&#x7B2C;&#x4E00;&#x4E2A;&#x5177;&#x6709;&#x8BE5;&#x9009;&#x62E9;&#x5668;&#x7684;&#x5143;&#x7D20;&#x3002;</p>
<pre><code>var test = document.querySelector(&quot;div&quot;);
console.log(test);
</code></pre><h1 id="2&#x3001;documentqueryselectoralln">2&#x3001;document.querySelectorAll(n);</h1>
<p>n:&#x4EE3;&#x8868;css&#x7684;&#x9009;&#x62E9;&#x5668;</p>
<p>&#x7528;&#x6765;&#x83B7;&#x53D6;&#x5230;&#x6240;&#x6709;&#x5177;&#x6709;&#x8BE5;&#x9009;&#x62E9;&#x5668;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x8FD4;&#x56DE;&#x4E00;&#x4E2A;&#x8282;&#x70B9;&#x5217;&#x8868;&#xFF08;&#x7C7B;&#x6570;&#x7EC4;&#xFF09;&#x3002;</p>
<p> &#x8981;&#x83B7;&#x53D6;&#x8282;&#x70B9;&#x5217;&#x8868;&#x91CC;&#x9762;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x6570;&#x7EC4;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x65B9;&#x6CD5;</p>
<pre><code>var alltest = document.querySelectorAll(&quot;div&quot;);
console.log(alltest);
</code></pre><h1 id="3&#x3001;documentgetelementsbytagnameelementname">3&#x3001;document.getElementsByTagName(elementName);</h1>
<p>elementName&#xFF1A;&#x4EE3;&#x8868;&#x6807;&#x7B7E;&#x540D;</p>
<p> &#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x6807;&#x7B7E;&#x540D;&#x6765;&#x83B7;&#x53D6;&#x5230;&#x6240;&#x6709;&#x5177;&#x6709;&#x8BE5;&#x6807;&#x7B7E;&#x540D;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x8FD4;&#x56DE;&#x503C;&#x662F;&#x4E00;&#x4E2A;html&#x96C6;&#x5408;(&#x7C7B;&#x6570;&#x7EC4;)&#x3002;</p>
<p>&#x8981;&#x83B7;&#x53D6;&#x8282;&#x70B9;&#x5217;&#x8868;&#x91CC;&#x9762;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x53EF;&#x4EE5;&#x901A;&#x8FC7;&#x6570;&#x7EC4;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x65B9;&#x6CD5;</p>
<pre><code>var allarget= document.getElementsByTagName(&quot;div&quot;);
console.log(allarget);
</code></pre><h1 id="4&#x3001;documentgetelementsbyclassnameclassname">4&#x3001;document.getElementsByClassName(className);</h1>
<p> className:&#x4EE3;&#x8868;&#x7C7B;&#x540D;</p>
<p> &#x83B7;&#x53D6;&#x5230;&#x6240;&#x6709;&#x5177;&#x6709;&#x8BE5;&#x7C7B;&#x540D;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x8FD4;&#x56DE;&#x503C;&#x662F;&#x4E00;&#x4E2A;html&#x96C6;&#x5408;</p>
<pre><code>var ele = document.getElementsByClassName(&quot;test&quot;);
console.log(ele);
console.log(ele[0]);
</code></pre><h1 id="5&#x3001;documentgetelementbyididname">5&#x3001;document.getElementById(idName);</h1>
<pre><code>        var div3=document.getElementsByName(&quot;div3&quot;);
        console.log(div3);
</code></pre><p>idName&#xFF1A;&#x4EE3;&#x8868;id&#x540D;</p>
<p> &#x7528;&#x6765;&#x83B7;&#x53D6;&#x5177;&#x6709;&#x8BE5;id&#x540D;&#x7684;&#x5143;&#x7D20;&#xFF0C;&#x8FD4;&#x56DE;&#x503C;&#x5C31;&#x662F;&#x8BE5;&#x5143;&#x7D20;&#x3002;</p>
<pre><code>var two=document.getElementById(&quot;two&quot;);
console.log(two);
</code></pre><pre><code>&lt;div class=&quot;test1&quot; name=&quot;div3&quot;&gt;&#x6211;&#x662F;div3&lt;/div&gt;
var div3=document.getElementsByName(&quot;div3&quot;);
console.log(div3);
</code></pre><p>&#x7528;querySelector&#x548C;get~&#x65B9;&#x6CD5;&#x6765;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#x7684;&#x533A;&#x522B;</p>
<p>1&#x3001;&#x6027;&#x80FD;&#x4E0D;&#x4E00;&#x6837;</p>
<p>get~&#x65B9;&#x6CD5;&#x6BD4;query~&#x65B9;&#x6CD5;&#x597D;</p>
<p>2&#x3001;query~&#x9759;&#x6001;&#x83B7;&#x53D6;&#x5143;&#x7D20;&#xFF1B;get~&#x52A8;&#x6001;&#x83B7;&#x53D6;&#x5143;&#x7D20; </p>
<h1 id="&#x6DFB;&#x52A0;&#x76D1;&#x542C;&#x4E8B;&#x4EF6;&#x6DFB;&#x52A0;&#x4E8B;&#x4EF6;&#x53E5;&#x67C4;">&#x6DFB;&#x52A0;&#x76D1;&#x542C;&#x4E8B;&#x4EF6;(&#x6DFB;&#x52A0;&#x4E8B;&#x4EF6;&#x53E5;&#x67C4;)</h1>
<p>document.addEventListener(event&#xFF0C;callback)&#xFF1B;</p>
<p> event&#xFF1A;&#x4EE3;&#x8868;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x6DFB;&#x52A0;&#x7684;&#x4E8B;&#x4EF6;&#x7C7B;&#x578B;&#xFF0C;&#x6BD4;&#x5982;&#x5355;&#x51FB;&#x4E8B;&#x4EF6;(click)&#xFF0C;&#x53CC;&#x51FB;&#x4E8B;&#x4EF6;(dblclick)....</p>
<p>callback&#xFF1A;&#x4EE3;&#x8868;&#x4E00;&#x4E2A;&#x56DE;&#x8C03;&#x51FD;&#x6570;&#xFF0C;&#x5C31;&#x662F;&#x6211;&#x4EEC;&#x505A;&#x7684;&#x4E8B;&#x60C5;&#x90FD;&#x5B9A;&#x4E49;&#x5728;&#x8BE5;&#x51FD;&#x6570;&#x91CC;&#x9762;&#x3002;</p>
<pre><code>var div3=document.querySelector(&quot;.test1&quot;);
div3.addEventListener(&quot;click&quot;,function(){
    alert(&quot;&#x672A;&#x6210;&#x5E74;&#x4EBA;&#x8BF7;&#x5728;&#x7236;&#x6BCD;&#x966A;&#x540C;&#x4E0B;&#x89C2;&#x770B;&quot;);
})
</code></pre><h1 id="&#x521B;&#x5EFA;&#x5143;&#x7D20;">&#x521B;&#x5EFA;&#x5143;&#x7D20;</h1>
<p> document.createElement(elName);</p>
<p>elName:&#x4EE3;&#x8868;&#x9700;&#x8981;&#x521B;&#x5EFA;&#x7684;&#x6807;&#x7B7E;&#x540D;</p>
<p> &#x6DFB;&#x52A0;&#x5143;&#x7D20;</p>
<p> parent.appendChild(child);</p>
<p> parent:&#x4EE3;&#x8868;&#x9700;&#x8981;&#x6DFB;&#x52A0;&#x5143;&#x7D20;&#x7684;&#x7236;&#x7EA7;&#x5143;&#x7D20;</p>
<p>child&#xFF1A;&#x4EE3;&#x8868;&#x6211;&#x4EEC;&#x521B;&#x5EFA;&#x7684;&#x5143;&#x7D20;/&#x6587;&#x672C;</p>
<p>&#x521B;&#x5EFA;&#x4E00;&#x4E2A;&#x6587;&#x672C;&#x8282;&#x70B9;</p>
<p>document.createTexNode(str);</p>
<p>str&#xFF1A;&#x4EE3;&#x8868;&#x6211;&#x4EEC;&#x9700;&#x8981;&#x586B;&#x5165;&#x7684;&#x5185;&#x5BB9;</p>
<pre><code>var p = document.createElement(&quot;p&quot;);
two.appendChild(p);
var txt1 = document.createTextNode(&quot;&#x6211;&#x662F;&#x901A;&#x8FC7;&#x6587;&#x672C;&#x8282;&#x70B9;&#x521B;&#x5EFA;&#x51FA;&#x6765;&#x7684;&#x5185;&#x5BB9;&quot;);
var txt2 = document.createTextNode(&quot;&#x6211;&#x662F;&#x53E6;&#x4E00;&#x4E2A;&#x6587;&#x672C;&quot;);
var isclick = true;
//p.appendChild(txt);
two.addEventListener(&quot;click&quot;,function(){
                if(isclick){
                    p.appendChild(txt1);
                }else{
                    p.appendChild(txt2);
                }
                isclick=!isclick;//&#x53D6;&#x53CD;&#xFF0C;&#x610F;&#x601D;&#x662F;&#x628A;&#x6211;&#x4EEC;&#x539F;&#x6765;&#x6B63;&#x786E;&#x7684;&#x53D8;&#x4E3A;&#x9519;&#x8BEF;&#x7684;&#xFF0C;&#x628A;&#x9519;&#x8BEF;&#x7684;&#x53D8;&#x4E3A;&#x6B63;&#x786E;&#x7684;;&#x7ED3;&#x679C;&#x4E3A;&#x5E03;&#x5C14;&#x503C;
            })
            var str=&quot;&quot;;
            console.log(!str);
</code></pre><p>innerText,innerHTML</p>
<p>&#x5411;&#x5143;&#x7D20;&#x6DFB;&#x52A0;&#x6587;&#x672C;&#x5185;&#x5BB9;&#xFF0C;&#x518D;&#x6B21;&#x6DFB;&#x52A0;&#x7684;&#x65F6;&#x5019;&#x4F1A;&#x8986;&#x76D6;&#x6389;&#x539F;&#x6765;&#x7684;&#x5185;&#x5BB9;&#x3002;</p>
<p>&#x533A;&#x522B;</p>
<p>innerText&#x4E0D;&#x80FD;&#x8BC6;&#x522B;&#x6807;&#x7B7E;</p>
<p>innerHTML&#x53EF;&#x4EE5;&#x8BC6;&#x522B;&#x6807;&#x7B7E;</p>
<pre><code>            var h1=document.createElement(&quot;h1&quot;);
            h1.innerText=&quot;&#x6211;&#x662F;&#x901A;&#x8FC7;innertext&#x6DFB;&#x52A0;&#x7684;&#x6587;&#x672C;&quot;;
            console.log(document.body);
            document.body.appendChild(h1);
            h1.addEventListener(&quot;click&quot;,function(){
                if(isclick){
                    h1.innerText=&quot;&#x6211;&#x662F;&#x70B9;&#x51FB;&#x8FDB;&#x6765;&#x7684;&#x5185;&#x5BB9;&quot;;
                }else{
                    h1.innerText=&quot;&#x6211;&#x662F;&#x901A;&#x8FC7;innertext&#x6DFB;&#x52A0;&#x7684;&#x6587;&#x672C;&quot;;
                }
                isclick=!isclick;
            })

            var h2=document.createElement(&quot;h2&quot;);
            document.body.appendChild(h2);
            h2.innerHTML=&quot;&#x6211;&#x662F;&#x901A;&#x8FC7;innerHTML&#x6DFB;&#x52A0;&#x8FDB;&#x6765;&#x7684;&quot;;
            h2.innerHTML=&quot;&lt;a&gt;&#x518D;&#x6B21;&#x6DFB;&#x52A0;&#x5185;&#x5BB9;&lt;/a&gt;&quot;;
</code></pre><h1 id="&#x521B;&#x5EFA;&#x5C5E;&#x6027;&#x8282;&#x70B9;">&#x521B;&#x5EFA;&#x5C5E;&#x6027;&#x8282;&#x70B9;</h1>
<p>document.createAttribute(attr);</p>
<p> attr&#xFF1A;&#x4EE3;&#x8868;&#x6211;&#x4EEC;&#x8981;&#x521B;&#x5EFA;&#x7684;&#x5C5E;&#x6027;&#x540D;</p>
<p>&#x7ED9;&#x5C5E;&#x6027;&#x8282;&#x70B9;&#x8D4B;&#x503C;</p>
<p>&#x901A;&#x8FC7;value&#x7ED9;&#x5C5E;&#x6027;&#x8282;&#x70B9;&#x8D4B;&#x503C;&#xFF0C;&#x4F8B;&#x5982;&#xFF1A;clName.value=&quot;h2&quot;&#xFF1B;</p>
<p> &#x7ED9;&#x5143;&#x7D20;&#x6DFB;&#x52A0;&#x5C5E;&#x6027;&#x8282;&#x70B9;</p>
<p>setAttributeNode(attrrName);</p>
<p> attrName:&#x4EE3;&#x8868;&#x6211;&#x4EEC;&#x521B;&#x5EFA;&#x7684;&#x5C5E;&#x6027;&#x8282;&#x70B9;&#x540D;&#x3002;</p>
<pre><code>            var clName=document.createAttribute(&quot;class&quot;);
            clName.value=&quot;h2&quot;;
            h2.setAttributeNode(clName);

            h2.addEventListener(&quot;click&quot;,function(){
                clName.value=&quot;col&quot;;
            })

            //document.documentElement&#x8FD4;&#x56DE;&#x6587;&#x6863;&#x6839;&#x8282;&#x70B9;
            console.log(document.documentElement);
</code></pre><p>&#x83B7;&#x53D6;&#x6240;&#x4EE5;img&#x6807;&#x7B7E;</p>
<p>document.image</p>
<pre><code>            var imgs = document.images;
            console.log(imgs[0].src);
            //&#x70B9;&#x51FB;&#x5207;&#x6362;&#x56FE;&#x7247;
            imgs[0].addEventListener(&quot;click&quot;,function(){
                if(isclick){
                    imgs[0].src=&quot;img/dongtai-5.png&quot;;
                }else{
                    imgs[0].src=&quot;img/dongtai-4.png&quot;;
                }
                isclick=!isclick;
            })
</code></pre><p>&#x79FB;&#x9664;&#x4E8B;&#x4EF6;&#x53E5;&#x67C4;</p>
<p> document.removeEventlistener(event,callback);</p>
<p> &#x548C;&#x6DFB;&#x52A0;&#x4E8B;&#x4EF6;&#x53E5;&#x67C4;&#x7684;&#x53C2;&#x6570;&#x4E00;&#x6837;</p>
<pre><code>            document.addEventListener(&quot;click&quot;,myFun);
            function myFun(){
                console.log(&quot;&#x6DFB;&#x52A0;&#x4E8B;&#x4EF6;&#x76D1;&#x542C;&quot;);
            }
            document.removeEventListener(&quot;click&quot;,myFun);
</code></pre>
                    
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